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MOUNTAIN HOUSE NEIGHBORHOODS KAND L INITIAL STUDY 5.ENVIRONMENTAL CHECKLIST <br /> 11. NOISE <br /> t <br /> I <br /> t" (a) Standards for Commercial and Industrial Uses. For new commercial uses, <br /> industrial uses or utilities,the exterior non-transportation noise level <br /> performance standards specified in Table 9-1025.9M in the San Joaquin <br /> County Development Title shall be applicable. <br /> Table 9-1025.9 MAXimum ALLOWABLE NOISE EXPOSURE <br /> Outdoor Interior <br /> ) Activity Areas' Spaces <br /> Noise Sensitive Land Use Use Types) dB Ldn dB Ldn <br /> Part I–Transportation Noise Sources <br /> Residential 65 45 <br /> Administrative Office - 45 <br /> Child Care Services-Child Care Centers - 45 <br /> Community Assembly 65 45 <br /> Cultural&Library Services - 45 <br /> Educational Services:General - 45 <br /> Funeral&Interment Services—Undertaking 65 45 <br /> Lodging Services 65 45 <br /> Medical Services 65 45 <br /> Professional Services - 45 <br /> r, Public Services(excluding Hospitals) - 45 <br /> I Public Services(hospitals only) 65 45 <br /> `111 Recreation—Indoor Spectator - 45 <br /> Religious Assembly 65 45 <br /> Outdoor Activity Outdoor Activity <br /> Areas'Daytime2 Areas'Nighttime2 <br /> (7 a.m.to (10 P.M.to <br /> 10 .m.) 7 a.m. <br /> Part 11–Stationary Noise Sources <br /> Hourly Equivalent Sound Level(Leq),dB 50 45 <br /> Maximum Sound Level(Lmax),dB 70 65 <br /> ' Where the location of outdoor activity areas is unknown or is not applicable,the noise <br /> standard shall be applied at the property line of the receiving land use.When determining <br /> t the effectiveness of noise mitigation measures,the standards shall be applied on the <br /> receiving side of noise barriers or other property line noise mitigation measures. <br /> ' z Each of the noise level standards specified shall be reduced by 5 dB for impulsive noise, <br /> t single tone noise,or noise consisting primarily of speech or music. <br /> (Ord.3675;Ord.4036§2(part), 1999) <br /> (b) Standards for Residential Uses. New residential development shall not be <br /> r allowed where noise levels due to stationary noise sources would exceed the <br /> exterior noise level standards set forth in Table 9-1025.9: <br /> (1) Noise levels from mobile noise sources in primary outdoor use areas of <br /> new residential development shall not exceed an Ldn of sixty(60)dB <br /> 0 <br /> unless the project design includes mitigation measures to reduce noise in 1 <br /> outdoor activity areas to sixty(60)dB,or as reasonably close to sixty(60) <br /> dB as is possible. Where it is not possible to reduce noise in outdoor <br /> Ism�I 5-137 <br />